Finding the Fourth Proportional to 2,498,756.36, 3,746,559.66 and 2,119,810.28
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Solution
The fourth proportional to 2,498,756.36, 3,746,559.66 and 2,119,810.28 is: 3,178,379.38
Step by Step Solution
- Step 1: Write the proportion equation
2,498,756.36 : 3,746,559.66 = 2,119,810.28 : x - Step 2: Convert to fraction form
2,498,756.36/3,746,559.66 = 2,119,810.28/x - Step 3: Cross multiply
2,498,756.36x = 3,746,559.66 × 2,119,810.28 - Step 4: Simplify right side
2,498,756.36x = 7,941,995,681,901.31 - Step 5: Solve for x
x = 7,941,995,681,901.31/2,498,756.36 - Step 6: Final answer
x = 3,178,379.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.